A piecewise linear finite element discretization of the diffusion equation for arbitrary polyhedral grids.
Teresa S. BaileyMarvin L. AdamsBrian YangMichael R. ZikaPublished in: J. Comput. Phys. (2008)
Keyphrases
- piecewise linear
- finite element
- diffusion equation
- finite difference
- anisotropic diffusion
- scale space
- partial differential equations
- diffusion process
- dynamic programming
- noise removal
- image enhancement
- mesh generation
- finite element analysis
- soft tissue
- boundary conditions
- multiscale
- hyperplane
- convex hull
- filtering method
- edge detection
- denoising
- numerical solution
- pairwise
- natural images
- data points